Paper mold drying production line

Abstract

The utility model provides a paper mould drying production line which comprises a machine frame, a conveying device and a drying device, the machine frame is covered with an outer cover, a drying area is formed in the inner side space of the outer cover, the drying device is used for conveying hot air flow to the drying area, and the conveying device is arranged on the machine frame and comprises a conveying belt and a tray mechanism assembled on the conveying belt. The conveying belt can move along a preset track so that the tray mechanism can be conveyed into the drying area from the outside of the drying area, a downwards-concave vent groove is formed in the inner side of the bottom of the tray mechanism, and air holes are formed in the vent groove. The tray mechanism of the paper film drying production line is provided with the ventilation groove, hot air flow blown out by the drying device can enter the ventilation groove through the ventilation holes and make contact with the bottom of a paper film, the contact area of the hot air flow and the bottom of the paper film is increased, moisture of a paper film wet blank is heated and evaporated, and the moisture is taken away from the ventilation holes. Therefore, it is ensured that the bottom of the paper film is dried, the drying speed is increased, and energy consumption is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the field of paper mold wet blank drying devices, in particular to a paper mold drying production line. Background Art

[0002] As people's environmental awareness continues to increase, in order to reduce the use of plastics, people have developed recyclable paper tableware, paper tray mechanisms and other paper mold products. The production process of paper mold products includes drying of wet blanks. In this process, a paper mold drying production line is required to dry the wet paper mold blanks, so as to remove moisture from the wet paper mold blanks and produce paper mold products. A common paper mold drying production line includes a frame, a transportation device and a drying device. The upper side cover of the frame is provided with an outer cover, and a drying area is formed between the inner side of the outer cover and the upper side of the frame. The drying device is used to transport a hot air flow to the drying area. The transportation device is arranged on the frame, and includes a conveyor belt and a tray mechanism mounted on the conveyor belt. The conveyor belt can move along a preset track to transport the tray mechanism from outside the drying area to inside the drying area, so that the wet paper mold blanks on the tray mechanism are dried in the drying area.

[0003] The existing paper film tray mechanism is provided with mesh holes at the bottom to allow the hot air flow to enter the wet paper mold blank from the bottom of the tray body of the tray mechanism, thereby increasing the contact area between the wet paper mold blank and the hot air flow. The wet paper mold blank drying device dries the moisture on the wet paper mold blank, thereby reducing energy consumption. An existing paper film includes a lower film body with an opening at the upper end and an upper cover for closing the opening. The upper cover can be flipped and arranged on the lower film body. During drying, the lower film body and the upper cover are placed on the tray mechanism with an open position relative to each other. Since the bottom of the upper cover is a plane when placed on the tray mechanism, the hot air flow cannot enter the wet paper mold blank through the air holes, and can only partially contact the bottom surface of the wet paper mold blank through the air holes, so that the drying time of the upper cover and the lower film body of the wet paper mold blank is inconsistent, which prolongs the drying time of the wet paper film blank and is not conducive to energy saving. Utility Model Content

[0004] The purpose of this utility model is to overcome the deficiencies of the prior art and provide a paper mold drying production line.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A paper mold drying production line comprises a frame, a transport device and a drying device, wherein the frame is covered with an outer cover, and the inner space of the outer cover forms a drying area, and the drying device is used to transport a hot air flow to the drying area, and the transport device is arranged on the frame, and comprises a conveyor belt and a tray mechanism assembled on the conveyor belt, and the conveyor belt can move along a preset track to transport the tray mechanism from outside the drying area to inside the drying area, so that the wet paper film placed on the tray mechanism is dried in the drying area, and a downwardly concave ventilation groove is provided on the inner side of the bottom of the tray mechanism, and air holes are provided on the ventilation groove.

[0007] Compared with the prior art, the tray mechanism of the paper mold drying production line of the utility model has a ventilation groove, and the hot air flow blown out by the drying device can enter the interior of the ventilation groove through the ventilation hole, and contact with the bottom of the paper film, thereby increasing the contact area between the hot air flow and the bottom of the paper film, so that the moisture of the wet paper film is heated and evaporated, and the moisture is taken away from the air holes in the form of water vapor, thereby ensuring that the bottom of the paper film is dried, and improving the drying speed, effectively reducing energy consumption.

[0008] Furthermore, the conveyor belt includes chains symmetrically arranged on the left and right sides of the frame, the chain has a plurality of chain links and a connecting shaft, two adjacent chain links are connected in series by a connecting shaft, the connecting shaft is a hollow structure with two ends penetrating each other, and the tray mechanism includes a tray body and a latch configured on the tray body, the latch is rotatably connected to the connecting shaft, so that the tray mechanism tray body is assembled between the two chains. In this scheme, a plurality of chain links are connected in series to form a chain, the tray mechanism is assembled between the two chains by a latch, and the latch is rotatably connected to the connecting shaft, when the chain changes direction upward or downward, the tray body always remains parallel, so that the wet paper film blank is stably fixed on the tray body.

[0009] Furthermore, the tray mechanism also includes connecting arms arranged on both sides of the tray body, the latch is arranged at the upper end of the connecting arm, and a weight is arranged at the lower end of the connecting arm. The design of this solution can increase the stability and balance of the tray mechanism. The weight is connected to the tray body through the connecting arm, and gravity is used to help the tray remain stable during the transmission process, reducing the shaking of the tray caused by the change of chain direction or the speed of operation, thereby further ensuring the stability of the wet paper film during the drying process.

[0010] Furthermore, the tray mechanism is provided with at least one paper film placement area, the ventilation groove is provided on one side of the paper film placement area, and air holes are evenly arranged on the other side of the paper film placement area, and the bottom of the tray mechanism forms a support platform on the upper side of the ventilation groove. In this solution, the ventilation groove is provided on one side of the paper film placement area for placing the cover body of the wet paper film blank, and the other side is used for placing the lower shell.

[0011] Furthermore, the shape of the ventilation groove is designed to gradually narrow from top to bottom. This solution can further enhance the circulation efficiency and heat exchange effect of the hot air flow. This design helps the hot air flow to pass through the ventilation groove more concentratedly, increases the speed and impact of the hot air flow, and makes the heat more efficiently transferred to the bottom of the paper film, further improving the drying speed and effect.

[0012] Furthermore, the side walls of the ventilation groove are inclined walls, the bottom wall and the side walls of the ventilation groove are provided with first air holes, and the first air holes are strip-shaped holes.

[0013] Furthermore, the bottom wall of the ventilation groove is provided with a second air hole, and the second air hole is a circular hole.

[0014] Furthermore, a supporting protrusion is provided in the middle of the tray mechanism along its width direction, which is used to support the connection portion between the paper film lower shell and the cover body.

[0015] Furthermore, the preset track of the conveyor belt is arranged in a reciprocating and circuitous manner.

[0016] Furthermore, it also includes a unloading mechanism on the lower side of the frame, a unloading area is provided on the lower side of the frame, and the unloading mechanism is arranged on the left and right opposite sides of the unloading area, and the unloading mechanism includes a flat rail, a first direction-changing rail and a second direction-changing rail, the first direction-changing rail and the second direction-changing rail are arranged on the flat rail in sequence along the conveying direction of the conveyor belt, and the first direction-changing rail and the second direction-changing rail are inclined rails with opposite inclination directions. After the pallet mechanism enters the unloading area, the connecting arms on both sides thereof slide along the flat rail to the first direction-changing rail, and under the top pressure of the first direction-changing rail, they rotate forward and drive the pallet mechanism to tilt downward, and when sliding to the second direction-changing rail, under the top pressure of the second direction-changing rail, they reset in the opposite direction and drive the pallet mechanism to reset. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall schematic diagram of the paper mold drying production line;

[0018] Figure 2 It is the overall schematic diagram of the paper mold drying production line (the outer cover is not shown);

[0019] Figure 3 This is a schematic diagram of the tray mechanism Figure 1 ;

[0020] Figure 4 This is a schematic diagram of the pallet machine structure. Figure 2 ;

[0021] Figure 5 This is a schematic diagram of the tray mechanism Figure 3 ;

[0022] Figure 6 This is a schematic diagram of the tray mechanism Figure 4 ;

[0023] Figure 7 This is a schematic diagram of the tray mechanism Figure 5 ;

[0024] Figure 8 This is a schematic diagram of the loading and unloading areas of the rack. Figure 1 ;

[0025] Fig. 9 This is a schematic diagram of the loading and unloading areas of the rack. Figure 2 ;

[0026] Fig.10 It is a partial schematic diagram of the conveyor belt.

[0027] Description of labels:

[0028] Paper mold drying production line 1, frame 11, outer cover 12, drying area 13, unloading area 14, loading area 15, transportation device 2, conveyor belt 3, chain 31, chain link 32, connecting shaft 33, tray mechanism 4, tray body 41, connecting arm 42, ventilation groove 43, latch 44, heavy hammer 45, paper film placement area 46, first air hole 47, second air hole 48, supporting protrusion 49, blocking part 40, unloading mechanism 5, flat rail 51, first turning rail 52, second turning rail 53, paper film wet blank 6. DETAILED DESCRIPTION

[0029] The following describes the implementation of the utility model in conjunction with the accompanying drawings:

[0030] See also Figure 1-10 As shown, the utility model discloses a paper mold drying production line 1, including a frame 11, a transport device 2 and a drying device, wherein the frame 11 is covered with an outer cover 12, and the inner space of the outer cover 12 forms a drying area 13, and the drying device is used to transport a hot air flow to the drying area 13, and the transport device 2 is arranged on the frame 11, and comprises a conveyor belt 3, a transmission belt driving device and a tray mechanism 4 assembled on the conveyor belt 3, and the conveyor belt 3 can be moved along a preset trajectory to transport the tray mechanism 4 from outside the drying area 13 to inside the drying area 13, so that the paper film wet blank 6 on the tray mechanism 4 is dried in the drying area 13, and a downwardly concave ventilation groove 43 is provided on the inner side of the bottom of the tray mechanism 4, and air holes are provided on the ventilation groove 43.

[0031] The conveyor belt 3 includes a chain 31 symmetrically arranged on the left and right sides of the frame 11, the chain 31 has a plurality of chain links 32 and a connecting shaft 33, two adjacent chain links 32 are connected in series by the connecting shaft 33, the connecting shaft 33 is a hollow structure with two ends penetrating each other, the tray mechanism 4 includes a tray body 41 and a latch 44 disposed on the tray body 41, the latch 44 is rotatably connected to the connecting shaft 33, so that the tray body 41 of the tray mechanism 4 is assembled between the two chains 31. In this solution, a plurality of chain links 32 are connected in series to form the chain 31, the tray mechanism 4 is assembled between the two chains 31 by the latch 44, and the latch 44 is rotatably connected to the connecting shaft 33, when the chain 31 changes direction upward or downward, the tray body 41 always remains parallel, so that the wet paper film blank 6 is stably fixed on the tray body 41.

[0032] The tray mechanism 4 further includes connecting arms 42 disposed on both sides of the tray body 41, the latch 44 is disposed at the upper end of the connecting arm 42, and a weight 45 is disposed at the lower end of the connecting arm 42. The design of this solution can increase the stability and balance of the tray mechanism 4. The weight 45 is connected to the tray body 41 through the connecting arm 42, and uses gravity to help the tray remain stable during the conveying process, reducing the shaking of the tray caused by the change of direction of the chain 31 or the speed of the operation, thereby further ensuring the stability of the wet paper film 6 during the drying process.

[0033] The tray mechanism 4 is provided with at least one paper film placement area 46, one side of the paper film placement area 46 is provided with the ventilation groove 43, the other side of the paper film placement area 46 is evenly arranged with air holes, and the bottom of the tray mechanism 4 forms a support platform on the upper side of the ventilation groove 43. In this solution, the ventilation groove 43 is provided on one side of the paper film placement area 46 for placing the cover of the paper film wet blank 6, and the other side is used for placing the lower shell.

[0034] The ventilation groove 43 is generally narrowed from top to bottom. This solution can further enhance the circulation efficiency and heat exchange effect of the hot air flow. This design helps the hot air flow to pass through the ventilation groove 43 more concentratedly, increases the speed and impact of the hot air flow, and makes the heat more efficiently transferred to the bottom of the paper film, further improving the drying speed and effect.

[0035] The side walls of the ventilation groove 43 are inclined walls. The bottom wall and the side walls of the ventilation groove 43 are provided with first air holes 47 . The first air holes 47 are strip-shaped holes.

[0036] The bottom wall of the ventilation groove 43 is provided with a second air hole 48 , and the second air hole 48 is a circular hole.

[0037] A supporting protrusion 49 is provided in the middle of the tray mechanism 4 along its width direction, for supporting the connection between the lower shell and the cover of the wet paper film blank.

[0038] In one embodiment, a blocking portion 40 is provided between two adjacent tray placement areas.

[0039] The preset track of the conveyor belt 3 is arranged in a reciprocating circuitous manner.

[0040] The machine also includes a material unloading mechanism 5 on the lower side of the frame 11, wherein a material unloading area 14 is provided on the lower side of the frame 11, and the material unloading mechanism 5 is provided on opposite left and right sides of the material unloading area 14, and the material unloading mechanism 5 includes a flat rail 51, a first direction-changing rail 52 and a second direction-changing rail 53, wherein the first direction-changing rail 52 and the second direction-changing rail 53 are sequentially provided on the flat rail 51 along the conveying direction of the conveyor belt 3, and the first direction-changing rail 52 and the second direction-changing rail 53 are inclined rails with opposite inclination directions. After the tray mechanism 4 enters the material unloading area 14, the connecting arms 42 on both sides thereof slide along the flat rail 51 to the first direction-changing rail 52, and under the top pressure of the first direction-changing rail 52, the connecting arms 42 rotate forward and drive the tray mechanism 4 to tilt downward, and when sliding to the second direction-changing rail 53, under the top pressure of the second direction-changing rail 53, the connecting arms 42 rotate forward and drive the tray mechanism 4 to reset in the opposite direction.

[0041] In one embodiment, the frame 11 is provided with a loading area 15 above the unloading area 14 , and the preset trajectory passes through the loading area 15 .

[0042] It should be noted that the transmission belt drive device, drying device, etc. of the utility model can adopt the existing transmission belt drive solution and drying device solution, and this solution will not be described in detail.

[0043] Compared with the prior art, the tray mechanism 4 of the paper mold drying production line 1 of the utility model has a ventilation groove 43. The hot air flow blown out by the drying device can enter the interior of the ventilation groove 43 through the ventilation hole and contact with the bottom of the paper film, thereby increasing the contact area between the hot air flow and the bottom of the paper film, so that the moisture of the wet paper film 6 is heated and evaporated, and the moisture is taken away from the pores, thereby ensuring that the bottom of the paper film is dried, and improving the drying speed, effectively reducing energy consumption.

[0044] According to the disclosure and teaching of the above description, the technical personnel in the field to which the utility model belongs can also change and modify the above implementation. Therefore, the utility model is not limited to the specific implementation methods disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the utility model.

Claims

1. A paper mold drying production line, comprising a frame, a transport device and a drying device, wherein an outer cover is provided on the frame, and the inner space of the outer cover forms a drying area, and the drying device is used to transport a hot air flow to the drying area, and the transport device is arranged on the frame, and comprises a conveyor belt and a tray mechanism mounted on the conveyor belt, and the conveyor belt can move along a preset track to transport the tray mechanism from outside the drying area to inside the drying area, so that the wet paper film placed on the tray mechanism is dried in the drying area, characterized in that: A downwardly concave ventilation groove is provided on the inner side of the bottom of the tray mechanism, and air holes are provided on the ventilation groove.

2. The paper mold drying production line according to claim 1, characterized in that: The conveyor belt includes chains symmetrically arranged on the left and right sides of the frame, the chain has a plurality of chain links and a connecting shaft, two adjacent chain links are connected in series by a connecting shaft, the connecting shaft is a hollow structure with both ends passing through, the pallet mechanism includes a pallet body and a pin arranged on the pallet body, the pin is rotatably connected to the connecting shaft, so that the pallet mechanism pallet body is assembled between the two chains.

3. The paper mold drying production line according to claim 2, characterized in that: The tray mechanism also includes connecting arms arranged at two sides of the tray body, the latch is arranged at the upper end of the connecting arm, and a heavy hammer is arranged at the lower end of the connecting arm.

4. The paper mold drying production line according to any one of claims 1 to 3, characterized in that: The tray mechanism is provided with at least one paper film placement area, the ventilation groove is arranged on one side of the paper film placement area, and air holes are evenly arranged on the other side of the paper film placement area. The bottom of the tray mechanism forms a support platform on the upper side of the ventilation groove.

5. The paper mold drying production line according to claim 4, characterized in that: The shape of the ventilation groove is designed to be gradually narrowed from top to bottom.

6. The paper mold drying production line according to claim 1, characterized in that: The side walls of the ventilation groove are inclined walls, and the bottom wall and the side walls of the ventilation groove are provided with first air holes, which are strip-shaped holes.

7. The paper mold drying production line according to claim 6, characterized in that: The bottom wall of the ventilation groove is provided with a second air hole, and the second air hole is a circular hole.

8. The paper mold drying production line according to claim 6, characterized in that: A supporting protrusion is provided in the middle of the tray mechanism along its width direction, which is used to support the connection portion between the lower shell body and the cover body of the wet paper film blank.

9. The paper mold drying production line according to claim 1, characterized in that: The preset track of the conveyor belt is arranged in a reciprocating circuitous manner.

10. The paper mold drying production line according to claim 3, characterized in that: It also includes a material unloading mechanism on the lower side of the frame, wherein the lower side of the frame is provided with a material unloading area, and the material unloading mechanism is arranged on the left and right opposite sides of the material unloading area, and the material unloading mechanism includes a flat rail, a first direction-changing rail and a second direction-changing rail, wherein the first direction-changing rail and the second direction-changing rail are arranged on the flat rail in sequence along the conveying direction of the conveyor belt, and the first direction-changing rail and the second direction-changing rail are inclined rails with opposite inclination directions; After the pallet mechanism enters the unloading area, the connecting arms on both sides thereof slide along the flat rail to the first direction-changing rail, and under the top pressure of the first direction-changing rail, they rotate forward and drive the pallet mechanism to tilt downward. When sliding to the second direction-changing rail, under the top pressure of the second direction-changing rail, they reset in the opposite direction and drive the pallet mechanism to reset.

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